And there is also the patented backwater valve.
Patented roof drains.
With both functions designed into one drain it greatly simplifies the roof drainage design.
Shop for roof drains at ferguson.
Our patented frame anchored design and flanged joints generate stable perfectly straight runs dramatically reducing installation time and labor.
It s basically a primary roof drain and an overflow combined into one drain.
Froet industries began by manufacturing their patented bi functional roof drain.
In embodiments a signal from the sensor is conveyed by a conductor or by wireless means to an alarm box.
Ferguson is the 1 us plumbing supply company and a top distributor of hvac parts waterworks supplies and mro products.
The patented froet drain is an innovative drain product created to solve the dual drain requirement for overflow protection.
This air baffle is engineered and tested to prevent air from entering the piping system at peak flows.
In embodiments the alarm box provides an audible and or a visual signal indicating a minimal water flow in the.
Prevents roof drains and gutters from refreezing into ice dams dambuster deicer bricks 6 pack provide a cost effective simple solution to winter ice roof damage.
An exemplary embodiment providing one or more improvements includes a positive acting sensor which detects the flow of water through a flat roof secondary or emergency roof drain.
Zurn drains offer history and.
Always remember to check your chosen roof drain periodically because it can become jammed with ice garbage or other unwanted items.
Each bi functional drain has two outlets.
Roof drains are used to collect rainfall water which travels to the sewage or drainage system through available plumbing lines.
Floor drains channels trench watts dead level pre sloped trench drains install and perform like no other trench drain system.
Our combination drain is designed in such a way that it can more efficiently remove rainwater from roofs than standard drains.
The distinguishing feature of a siphonic roof drain is the air baffle.
The patented formula prevents ice problems by not allowing the refreezing process to start in the first place.
We will provide a diagram to show you how it works.
Psmmmd ma 31 119211 inventor attorney patented ct.
Siphonic roof drain anatomy siphonic roof drains from jay r.